The fact that you can build a cellphone around an Arduino is pretty neat. But we’re drawn to this project more as a testament to the advancement of hobby electronics. An [Average Joe] can bui… ...

David Mellis has created his very own cellphone using an Arduino GSM shield, as with any phone, ... it includes a display, buttons, speaker, and microphone, making it a fully operational mobile phone.

If you want to add a keypad to your Arduino project, the options are pretty limited. There’s that red and blue 4×4 membrane we’ve all seen in password-protected door lock projects,… ...

While you hopefully don't need one-button access to 911, a desk-mounted panic button is undoubtedly cool, and it makes for a great DIY Arduino project. You'll need a prepaid SIM card, an Arduino ...

Cell phones are easy enough to come by these days, but if you've ever wanted to just build your own, Instructables user xiaobo__ shows how to do it with an Arduino. The little DIY phone isn't ...

Makers and ordering your enthusiasts looking for a new project to keep them busy may be interested in this new Arduino rotary phone hack which uses an Arduino Pro Mini and a SIM900 GSM shield.

My daughter likes buttons. She's learning letters. I was bored over winter break and had these parts laying around... so I built her a "Button Box" based around an Arduino. Open source, hackable ...

How do you turn an LED on and off with a button on Arduino? We set the pinButton variable as integer 8 and we connect the button at pin 8 on the Board. Then the LED is connected to pin 2 using the ...

Arduino’s $87 Plug and Make Kit comes ... a movement sensor, a time-of-flight distance sensor, a buzzer, a thermometer and humidity sensor, and a set of three buttons. ... and the Trump Phone. 0.

Even though games like Infinity Blade can be great fun on the iPhone, there's no getting around the fact that touchscreen-centric, buttonless devices don't offer the best gaming ergonomics. A ...